Earphone



FIG. 1 is a top perspective view of an earphone showing the claimed design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The dashed broken lines in the FIGURES show portions of the earphone that form no part of the claimed design. 

CLAIM The ornamental design for an earphone, as shown and described. 